Home / 147,090.54-220,754.03-76,033.99

Finding the Fourth Proportional to 147,090.54, 220,754.03 and 76,033.99

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Solution

The fourth proportional to 147,090.54, 220,754.03 and 76,033.99 is: 114,112.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,090.54 : 220,754.03 = 76,033.99 : x
  2. Step 2: Convert to fraction form
    147,090.54/220,754.03 = 76,033.99/x
  3. Step 3: Cross multiply
    147,090.54x = 220,754.03 × 76,033.99
  4. Step 4: Simplify right side
    147,090.54x = 16,784,809,709.48
  5. Step 5: Solve for x
    x = 16,784,809,709.48/147,090.54
  6. Step 6: Final answer
    x = 114,112.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.